user hits escape to quit Nomad.

("ServerIfCommandZone cannot be cast to class ServerForLoopCommandZone")
* Fix multiple bugs about a NullPointerException while saving an user's
script  ("this.executionPhaseState is null")

Avoid initializing multiple times a particularWidget when being used in a dynamicComposite (bug foung in SurveyLog)

forloop or an if

increasing number of dynamic in a DynamicComposite (reason why arrow
buttons in SampleSequencer were not working)

XBU directory.
Add a sort of PAL files in tree.

This tag tells to client that it is not necessary to read value (useful
for arrays use in external plots)

was dropped in the launch pad, any move of other command boxes within
the launch pad results in a copy instead of a move!

For settings command box inside an user's script, avoid to initialise
proposal button with "Shared"

https://code.ill.fr/instrument-control/nomad-gui.git into v5